Add 20/45 and 25/24
1st number: 20/45, 2nd number: 1 1/24
20/45 + 25/24 is 107/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
20/45 = 20 × 8/45 × 8 = 160/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
25/24 = 25 × 15/24 × 15 = 375/360 - Add the two like fractions:
160/360 + 375/360 = 160 + 375/360 = 535/360 - 535/360 simplified gives 107/72
- So, 20/45 + 25/24 = 107/72
In mixed form: 135/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/45+25/24 20/45+50/24 20/90+25/24 20/45+25/48 60/45+25/24 20/45+75/24 20/45+25/72